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Displaying 43476 - 43500 of 74303

Thermal Longevity of Nano-Multilayer Magnetic Media

January 21, 2002
Author(s)
Edward Della Torre, Lawrence H. Bennett
A common concern about the use of particles a few nanometers in size in their stability. This paper addresses a technique for estimating the longevity on the basis of measurements that can be made in a reasonable time. Using the recently developed Preisach

Capacitive Probe Microscopy

January 15, 2002
Author(s)
Joseph J. Kopanski
A scanning capacitance microscope (SCM) combines a differential capacitance measurement with an atomic force microscope (AFM). The AFM controls the position and contact force of a scanning probe tip, and a sensor simultaneously measures the capacitance

The New Homeland Security: Challenges for a Great Nation

January 9, 2002
Author(s)
Ronald S. Ross
This article reiterates the importance of homeland security in light of the events of September 11th and the necessity to integrate information technology security into enterprise security. Now, more than ever, the challenges of homeland security require a

Chapter 19 Shock and Vibration Standards

January 4, 2002
Author(s)
David J. Evans, Henry C. Pusey
Chapter 19 is concerned with shock and vibration standards covering: terminology; use and calibration of transducers and instrumentation; shock and vibration generators; structures and structural systems; vehicles including land-based, airborne, and ocean

Prototype Software for Contaminant-Based Design

January 2, 2002
Author(s)
George Walton, Andrew K. Persily
Outdoor air intake rates of mechanical ventilation systems have traditionally been determined using prescriptive methods based on ventilation requirements per unit floor area or per occupant. This approach has serious shortcomings. It provides no

2002 Weights and Measures Directory

January 1, 2002
Author(s)
L T. Sebring
This directory is a listing of weights and measures officials in the U.S. and its territories. It includes the official's agency, title, address, phone, fax, e-mail, and some url addresses.

A 100 GHz AM and PM Noise Measurement System: Preliminary Design and Performance

January 1, 2002
Author(s)
David A. Howe, Craig W. Nelson, F L. Walls, J F. Garcia nava, Archita Hati, A Sen Gupta
A 1OO GHz AM and PM noise measurement system is described. The basic approach to its construction is to apply existing state-of-the-art, cross-correlation noise measurement techniques to 1OO GHz (W-band).

A Broad Perspective on the Dynamics of Highly Confined Polymer Films

January 1, 2002
Author(s)
Christopher L. Soles, Jack F. Douglas, Wen-Li Wu, H Peng, D W. Gidley
The manner in which the dynamics of a polymer are affected by thin film confinement is of technological significance, impacting thin film applications such as lubricants, adhesives, and chemically amplified photoresists. In this manuscript we use specular

A Free-Boundary Model for Duffusion-Induced Grain Boundary Motion

January 1, 2002
Author(s)
P C. Fife, John W. Cahn, C M. Elliott
On the basis of a phase-field model previously proposed in Cahn et al. (acta Mater. 45, 4397-4413 (1997)) to describe the phenomenon of diffusion-induced grain boundary motion (DIGM), we present a formal asymptotic reduction to a moving free boundary

A High Speed Quantum Communication Testbed

January 1, 2002
Author(s)
Carl J. Williams, X Tang, M Hiekkero, J Rouzaud, R Lu, A Goedecke, Alan L. Migdall, A Mink, A Nakassis, Leticia S. Pibida, J Wen, Edward W. Hagley, Charles W. Clark
Displaying 43476 - 43500 of 74303